EP3132888B1 - Halter zum anbringen und ausrichten einer bearbeitungseinheit auf eine maschine - Google Patents

Halter zum anbringen und ausrichten einer bearbeitungseinheit auf eine maschine Download PDF

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Publication number
EP3132888B1
EP3132888B1 EP15182002.4A EP15182002A EP3132888B1 EP 3132888 B1 EP3132888 B1 EP 3132888B1 EP 15182002 A EP15182002 A EP 15182002A EP 3132888 B1 EP3132888 B1 EP 3132888B1
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EP
European Patent Office
Prior art keywords
machine
coupling means
holder
machining unit
machining
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15182002.4A
Other languages
English (en)
French (fr)
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EP3132888A1 (de
Inventor
Luciano Lagger
Walter Sayer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Micron SA Agno
Mikron SA Agno
Original Assignee
Micron SA Agno
Mikron SA Agno
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Micron SA Agno, Mikron SA Agno filed Critical Micron SA Agno
Priority to EP15182002.4A priority Critical patent/EP3132888B1/de
Priority to EP18210753.2A priority patent/EP3476533B1/de
Priority to US15/197,901 priority patent/US10099335B2/en
Priority to CN201610696673.4A priority patent/CN106466781B/zh
Publication of EP3132888A1 publication Critical patent/EP3132888A1/de
Application granted granted Critical
Publication of EP3132888B1 publication Critical patent/EP3132888B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q39/00—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation
    • B23Q39/04—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being arranged to operate simultaneously at different stations, e.g. with an annular work-table moved in steps
    • B23Q39/042—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being arranged to operate simultaneously at different stations, e.g. with an annular work-table moved in steps with circular arrangement of the sub-assemblies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
    • B23Q1/015—Frames, beds, pillars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/22—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/18—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for positioning only
    • B23Q3/186—Aligning devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q37/00—Metal-working machines, or constructional combinations thereof, built-up from units designed so that at least some of the units can form parts of different machines or combinations; Units therefor in so far as the feature of interchangeability is important
    • B23Q37/005—Modular base frames

Definitions

  • the invention relates to a holder for mounting and aligning machining units to a machine, preferably to a rotary transfer machine.
  • Rotary transfer machines are generally controlled with cam mechanisms and were usually constructed for the manufacturing of large batches of the same work piece or family of work pieces which do not differ much from each other.
  • the manual positioning and manual correction of the positioning of machining units mounted on rotary transfer machines is hugely time consuming and very expensive, in particular in cases where a high level of precision is required.
  • the flexibility and the reconfigurability of these machines are therefore limited.
  • the simplicity of these machines and their reliability does allow low manufacturing costs and a high inherent availability. Their use requires highly qualified staff with experience and dexterity.
  • Rotary transfer machines are still manufactured for the machining of work pieces in big batches.
  • new rotary transfer machines were developed and produced with machining units equipped with numerical control (CNC).
  • CNC numerical control
  • EP 1 064 119 discloses a rotary transfer machine with a stiff base structure and an indexing table comprising a plurality of machining positions. Machining units are coupled to two sides of struts surrounding the indexing table. Each machining unit may be linearly translated about three axes.
  • JP 4192251 B2 (Seiki Techno Design Co. Ltd.) describes a rotary transfer machine.
  • the body of the machine comprises holes in its sides into which saddles each machining units may be inserted.
  • Each saddle may be moved in the vertical direction by a first servo motor.
  • With a second servo motor each saddle may be moved in a radial direction.
  • DE 199 58 461 C1 discloses a clamping device for machining units, consisting of a platen and a holder.
  • the platen is a regular platen, e.g. a turret.
  • the holder allows to align a machining unit in an external setting system and to keep these alignment settings during storage and transport to a machine.
  • the holder comprises, in addition to a DIN 69880 holder, an adjustment device.
  • the adjustment device comprises two set screws having axes, which are parallel to the platen area and which act on a setting bar, which abuts onto the platen. With this adjustment device, it is possible to adjust the working axis of the machining unit to be parallel to the working axis of the machine.
  • the alignment relies on the interaction of set screws with a setting bar, the alignment is affected by micro movements.
  • FR 2 495 978 A (Renault) describes a mounting system for tools.
  • the mounting system comprises an adapter, which may be fixed to a shaft of the machine. This mounting system allows a fast change of the tools, as only the adapter has to be initially aligned on an external setting system.
  • a tool holder comprises a special structure with flat nose sections and a channel with which it can be aligned precisely with respect to the adapter.
  • US 2,358,389 discloses an indexing type multiple station drilling machine having a small size and being capable of being adjusted to different operations without change of the main structure of the machine.
  • Operating units are mounted on knees, which may be anchored at any desired defined position around the periphery of the machine by means of annular T-slots and a flange, to which the knees may be secured.
  • a holder for mounting and aligning a machining unit to a machine comprises a first part with first coupling means, said first part being mountable on a machine or being part of a machine.
  • the holder further comprises a second part with second coupling means, said second coupling means being configured to interact with said first coupling means such as to releasably couple said second part to said first part in a first defined position.
  • the holder includes a third part coupled to said second part by means of positioning means located between said second part and said third part, said positioning means being configured such as to move said third part relative to said second part in at least one spatial direction.
  • Third coupling means are arranged on said third part to allow coupling said third part to a machining unit.
  • a "machining unit” is an element which is used to carry out a specific machining operation on a workpiece, such as milling, drilling or any other machining operation. Therefore, preferably, the machining unit comprises one of a mill, drill or any other tool suitable for the intended machining operation.
  • the holder according to the present invention is used in connection with a rotary transfer machine.
  • a rotary transfer machine comprises a base structure with a rotatable indexing table.
  • the indexing table comprises a multitude of positions with work piece holders, which may be rotated one or several position(s) at a time.
  • a machining unit is mounted on the base structure of the rotary transfer machine.
  • the positioning means preferably comprise locking means such as to lock the positioning means in a determined position.
  • Said locking means may e.g. be in the form of a set screw or the like. Further, the locking means may also be in the form of a form fit element which prevents any unwanted movement of the positioning means. Said form fit element may be moved into an disengaged position by actuation means such as e.g. a button or lever to allow a movement of the positioning means.
  • said positioning means are configured such that they are self-locking, i.e. such that any unwanted movement is prevented.
  • the positioning means may be configured to be movable only by means of a tool.
  • the at least one plane is preferably arranged such that it is horizontal when said holder is mounted on a machine and said first part and said second part are coupled together.
  • a "horizontal plane" is perpendicular to the gradient of the gravity field.
  • the at least one plane may of course also be oriented differently.
  • the positioning means may allow the movement of said third part - and of any machining unit coupled therewith - about two planes.
  • the third part may be moved about a radial and a tangential plane relative to a rotary transfer machine the holder may be affixed to.
  • the first coupling means and the second coupling means allow to releasably couple the first part and the second part in a first defined position relative to each other, the position of a machining unit coupled to the third part remains unchanged relative to the first part upon disassembly and reassembly of said second part from said first part.
  • the inventive holder it is e.g.
  • the holder according to the present invention allows a quick re-mounting to the machine, as the time consuming realignment of the machining unit may be omitted.
  • the first part includes mounting means which allow mounting said first part to a machine in a second defined position.
  • Said mounting means may for example comprise bolts or screws which are arranged in corresponding openings provided on said first part.
  • the first part may be integral with a machine, i.e. the machine comprises at least one element which includes first coupling means.
  • the first and the second coupling means are preferably configured such that a temporary fixation of both parts together is achieved. This prevents any unwanted detachment of the first part and of the second part from each other.
  • said first and second coupling means may comprise a set screw or the like to temporary fix said second part to said first part.
  • said first and said second coupling means may comprise form fit elements which allow such a temporary fixation.
  • the third coupling means preferably comprise an interface compatible with machining units intended for use with a specific machine, such as a rotary transfer machine. Further preferably, said third coupling means may comprise screws or bolts as well as associated apertures such as to couple a machining unit to said second part.
  • said positioning means are configured to move said third coupling means relative to said second coupling means at least along a linear axis and/or at least around one rotational axis.
  • the positioning means preferably comprise at least two positioning elements, said positioning elements being selected from one of an eccentric bushing and/or a linear guide member.
  • the eccentric bushing it is possible to move a machining unit coupled to said third coupling means about two directions in a plane along a circular path. Further, the machining unit may be turned along said circular path relative to said second coupling means, such as to alter the angular position of said machining unit relative to said second coupling means.
  • said positioning means comprises at least one linear guide member which allows a linear translation of said third coupling means relative to said second coupling means in at least one direction.
  • the positioning means comprise both an eccentric bushing and a linear guide member or any other combination of two axial positioning systems.
  • Such a configuration allows a simple realization of a positioning means which makes it possible to move a machining unit coupled to said third coupling means in a tangential and radial direction when said holder is coupled to a rotary transfer machine.
  • said first coupling means and said second coupling means comprise a plurality of screws and complementary screw holes.
  • the present application is further directed to a machine, preferably a rotary transfer machine comprising at least one holder according to the present invention.
  • Fig. 1 shows a perspective view of an inventive holder 1 according to the present invention mounted on a rotary transfer machine 20.
  • the holder 1 comprises a first part 2 and a second part 3.
  • the first part 2 and the second part 3 are releasably coupled together with first coupling means and second coupling means engaged one into the other.
  • the second part 3 is coupled to a third part 4 which includes third coupling means 7 to releasably couple said third part 4 to a machining unit.
  • Positioning means 5, 6 are located between said second part 3 and said third part 4. Said positioning means 5, 6 allow moving said third part 4 relative to said second part 3.
  • the first part 2 is attached to the rotary transfer machine by means of screws, of which only one screw 12.1 is visible in the figure.
  • Fig. 2 the holder 1 according to Fig. 1 is shown in a profile view. While the first part 2 and the second part 3 are releasable from each other, the second part 3 and the third part 4 are coupled together in an essentially non-releasable way by means of the positioning means 5, 6.
  • the first part 2 is releasably coupled to the rotary transfer machine 20 in the embodiment shown. Alternatively, the first part 2 may be part of the rotary transfer machine 20.
  • Fig. 3 shows the holder 1 according to Figs. 1 and 2 in a cross-sectional representation.
  • the first part 2 is connected with the rotary transfer machine 20 by means of several screws 12.1, 12.2, 12.3.
  • First coupling means 8.1, 8.2, 13 are arranged on said first part 2 such as to allow a connection with the second part 3.
  • Two first coupling means are configured as conical holes 8.1, 8.2, while two further first coupling means (arranged one after another in the direction of view) are configured as normal cylindrical screw holes 13, wherein said cylindrical screw holes comprise a thread in said first part.
  • the second part 3 comprises second connection means 9.1, 9.2, 10 which are insertable into said first connection means 8.1, 8.2, 13 of said first part 2.
  • a first set of said second connection means are configured as conical pin 9.1, 9.2 which fit into said conical holes 8.1, 8.2, while a second set of second connection means (arranged one after another in the direction of view) are configured as screws 10 which are insertable into the cylindrical screw holes 13.
  • the use of conical holes 8.1, 8.2 and conical pin 9.1, 9.2 allows an exact positioning of the second part 3 relative to said first part 2 in a defined first position.
  • the positioning means located between said second part 3 and said third part 4 are in the form of a rotational axis 6 and an eccentric coupling 5 which allows a limited movement of the third part 4 relative to the second part 3 around the rotational axis 6. Additionally, the position of the third part 4 relative to the second part 3 may be temporary fixed by means of fixation screws 11.1, 11.2.
  • the third connection means are realized as an eccentric bushing 7 into which a machining unit may be inserted.
  • Fig. 4 shows a simplified perspective view of a first part 2 of an inventive holder 1 mounted on a rotary transfer machine 20.
  • the indexing table 22 comprises a multitude of positions 23 for work piece holders.
  • a machining unit is assigned to each working position into which the positions 23 may be rotated.
  • a first part 2 of a holder 1 is mounted on the base structure 21 of the rotary transfer machine 20 at one position.
  • a first part 2 of a holder 1 may be associated with every working position.
  • the second part 2 is mounted to the base structure 21 by means of screws as shown in Fig. 1 .
  • Fig. 5 shows a simplified perspective view of a machining unit 30 coupled to a rotary transfer machine 20 by means of an inventive holder 1.
  • the machining unit 30 is coupled to the second part 3 by means of the eccentric bushing 7 acting as third coupling means.
  • the machining unit 30 may be correctly positioned relative to the second part 3 and the rotary transfer machine 20, respectively, by means of the positioning means 5, 6.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machine Tool Units (AREA)
  • Multi-Process Working Machines And Systems (AREA)

Claims (5)

  1. Halter zum Anbringen und Ausrichten einer Bearbeitungseinheit (30) auf einer Maschine (20), vorzugsweise einer Rundtaktmaschine, umfassend:
    a) einen ersten Teil (2) mit ersten Kupplungsmitteln (8.1, 8.2, 13), ausgebildet als zwei konische Löcher (8.1, 8.2) und zwei zylindrische Schraubenlöcher (13) mit Gewinde, wobei der erste Teil (2) an einer Maschine (20) angebracht werden kann oder ein Bestandteil einer Maschine (20) ist;
    b) einen zweiten Teil (3) mit zweiten Kupplungsmitteln (9.1, 9.2, 10), wobei die zweiten Kupplungsmittel (9.1, 9.2, 10) dafür ausgelegt sind, mit den ersten Kupplungsmitteln (8.1, 8.2, 13) derart zusammenzuwirken, dass sie den zweiten Teil (3) in einer ersten definierten Position lösbar mit dem ersten Teil (2) verbinden, wobei die zweiten Kupplungsmittel als zwei konische Stifte (9.1, 9.2), welche in die zwei konischen Löcher (8.1, 8.2) passen, und Schrauben (10), welche in die zylindrischen Schraubenlöcher (13) eingesetzt werden können, ausgebildet sind;
    c) einen dritten Teil (4), der mithilfe von Positionierungsmitteln (5, 6), die zwischen dem zweiten Teil (3) und dem dritten Teil (4) angeordnet sind, mit dem zweiten Teil (3) verbunden ist, wobei die Positionierungsmittel (5, 6) derart ausgebildet sind, dass sie den dritten Teil (4) relativ zum zweiten Teil (3) in mindestens einer Raumrichtung bewegen;
    d) dritte Kupplungsmittel (7) angeordnet am dritten Teil (4), welche es ermöglichen, den dritten Teil (4) mit einer Bearbeitungseinheit (30) zu verbinden.
  2. Halter nach Anspruch 1, dadurch gekennzeichnet, dass die Positionierungsmittel (5, 6) derart ausgebildet sind, dass sie den dritten Teil (4) relativ zum zweiten Teil (3) mindestens entlang einer Linearachse und/oder mindestens rund um eine Drehachse bewegen.
  3. Halter nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass die Positionierungsmittel (5, 6) mindestens zwei Verschiebeelemente umfassen, wobei die Verschiebeelemente vorzugsweise ausgewählt sind aus einer Exzenterbuchse und/oder einem linearen Führungselement.
  4. Halter nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die ersten Kupplungsmittel und die zweiten Kupplungsmittel eine Mehrzahl von Schrauben (9.1, 9.2, 10) und komplementären Schraubenlöchern (8.1, 8.2, 13) umfassen.
  5. Maschine, vorzugsweise Rundtaktmaschine, umfassend mindestens einen Halter (1) nach einem der Ansprüche 1 bis 4.
EP15182002.4A 2015-08-21 2015-08-21 Halter zum anbringen und ausrichten einer bearbeitungseinheit auf eine maschine Active EP3132888B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP15182002.4A EP3132888B1 (de) 2015-08-21 2015-08-21 Halter zum anbringen und ausrichten einer bearbeitungseinheit auf eine maschine
EP18210753.2A EP3476533B1 (de) 2015-08-21 2015-08-21 System und verfahren zum ausrichten und montieren einer bearbeitungseinheit auf eine maschine
US15/197,901 US10099335B2 (en) 2015-08-21 2016-06-30 Holder for machining units
CN201610696673.4A CN106466781B (zh) 2015-08-21 2016-08-22 用于加工单元的保持件

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15182002.4A EP3132888B1 (de) 2015-08-21 2015-08-21 Halter zum anbringen und ausrichten einer bearbeitungseinheit auf eine maschine

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP18210753.2A Division EP3476533B1 (de) 2015-08-21 2015-08-21 System und verfahren zum ausrichten und montieren einer bearbeitungseinheit auf eine maschine
EP18210753.2A Division-Into EP3476533B1 (de) 2015-08-21 2015-08-21 System und verfahren zum ausrichten und montieren einer bearbeitungseinheit auf eine maschine

Publications (2)

Publication Number Publication Date
EP3132888A1 EP3132888A1 (de) 2017-02-22
EP3132888B1 true EP3132888B1 (de) 2019-06-12

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP18210753.2A Active EP3476533B1 (de) 2015-08-21 2015-08-21 System und verfahren zum ausrichten und montieren einer bearbeitungseinheit auf eine maschine
EP15182002.4A Active EP3132888B1 (de) 2015-08-21 2015-08-21 Halter zum anbringen und ausrichten einer bearbeitungseinheit auf eine maschine

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP18210753.2A Active EP3476533B1 (de) 2015-08-21 2015-08-21 System und verfahren zum ausrichten und montieren einer bearbeitungseinheit auf eine maschine

Country Status (3)

Country Link
US (1) US10099335B2 (de)
EP (2) EP3476533B1 (de)
CN (1) CN106466781B (de)

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Also Published As

Publication number Publication date
US10099335B2 (en) 2018-10-16
EP3476533A1 (de) 2019-05-01
US20170050284A1 (en) 2017-02-23
EP3132888A1 (de) 2017-02-22
EP3476533B1 (de) 2020-10-07
CN106466781A (zh) 2017-03-01
CN106466781B (zh) 2020-06-26

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